John Schaeffer

John Schaeffer may refer to: *John Schaeffer (art collector) (1941–2020), Australian art collector and businessman *John Schaeffer (environmentalist) (born 1949), American solar power advocate *John Schaeffer (trainer) (born 1951), American fitness trainer and author *John Nevin Schaeffer (1882–1942), American classicist Provided by Wikipedia